SEALING MATERIAL AND PRE-CUT POLYOLEFIN-BASED MEMBRANE SEALS
The invention relates to a sealing material or a membrane seal which is intended to be used to seal containers or pots made from polyolefin, typically PP, and which forms a multi-layered material having a thickness E of between 30ñm and 140 ñm. More specifically, the invention is intended for the he...
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| creator | ANDRE, JEAN-MARC BARRANX, PATRICK |
| description | The invention relates to a sealing material or a membrane seal which is intended to be used to seal containers or pots made from polyolefin, typically PP, and which forms a multi-layered material having a thickness E of between 30ñm and 140 ñm. More specifically, the invention is intended for the heat sealing of a typically-PP-based container or pot. The invention is characterised in that it comprises: a) an outer polyolefin layer CE having a thickness Ee varying between 0.9.E and 0.6.E; and b) a sealing layer CS having a thickness Es varying between 0.1.E and 0.4.E, said sealing layer comprising at least 35 wt.- % of a polyolefin-based elastomer compound CEP with a modulus of less than 300 MPa and at most 65 wt.- % polyethylene. The invention is further characterised in that the aforementioned outer layer and sealing layer are layers of co-extruded layers, such that the multi-layered material is a co-extruded material.
Le matériau d'operculage ou opercule, destiné à l'operculage de récipients ou pots en polyoléfine, typiquement en PP, forme un matériau multicouche d'épaisseur E comprise entre 30µm et 140 µm, est destiné à obturer par thermoscellage un récipient ou pot typiquement à base de PP, et est caractérisé en qu'il comprend : a) une couche externe CE en polyoléfine, d'épaisseur Ee allant de 0,9.E à 0,6.E, b) une couche de scellage CS, d'épaisseur Es allant de 0,1.E à 0,4.E, ladite couche de scellage comprenant au moins 35 % en poids d'un composé élastomère à base de polyoléfine CEP de module inférieur à 300 MPa, et au plus 65 % en poids de polyéthylène, et est en outre caractérisé en ce que lesdites couches externe et de scellage sont des couches des couches co-extrudées, de manière à ce que ledit matériau multicouche soit un matériau co-extrudé. |
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Le matériau d'operculage ou opercule, destiné à l'operculage de récipients ou pots en polyoléfine, typiquement en PP, forme un matériau multicouche d'épaisseur E comprise entre 30µm et 140 µm, est destiné à obturer par thermoscellage un récipient ou pot typiquement à base de PP, et est caractérisé en qu'il comprend : a) une couche externe CE en polyoléfine, d'épaisseur Ee allant de 0,9.E à 0,6.E, b) une couche de scellage CS, d'épaisseur Es allant de 0,1.E à 0,4.E, ladite couche de scellage comprenant au moins 35 % en poids d'un composé élastomère à base de polyoléfine CEP de module inférieur à 300 MPa, et au plus 65 % en poids de polyéthylène, et est en outre caractérisé en ce que lesdites couches externe et de scellage sont des couches des couches co-extrudées, de manière à ce que ledit matériau multicouche soit un matériau co-extrudé.</description><edition>7</edition><language>eng ; fre</language><subject>ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR ; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING ; CHEMISTRY ; COMPOSITIONS BASED THEREON ; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS ; CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS ; CONVEYING ; HANDLING THIN OR FILAMENTARY MATERIAL ; LAYERED PRODUCTS ; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM ; METALLURGY ; ORGANIC MACROMOLECULAR COMPOUNDS ; PACKAGES ; PACKAGING ELEMENTS ; PACKING ; PERFORMING OPERATIONS ; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR ; SHAPING OR JOINING OF PLASTICS ; STORING ; THEIR PREPARATION OR CHEMICAL WORKING-UP ; TRANSPORTING ; WORKING OF PLASTICS ; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL</subject><creationdate>2004</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20040902&DB=EPODOC&CC=WO&NR=2004073982A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76290</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20040902&DB=EPODOC&CC=WO&NR=2004073982A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>ANDRE, JEAN-MARC</creatorcontrib><creatorcontrib>BARRANX, PATRICK</creatorcontrib><title>SEALING MATERIAL AND PRE-CUT POLYOLEFIN-BASED MEMBRANE SEALS</title><description>The invention relates to a sealing material or a membrane seal which is intended to be used to seal containers or pots made from polyolefin, typically PP, and which forms a multi-layered material having a thickness E of between 30ñm and 140 ñm. More specifically, the invention is intended for the heat sealing of a typically-PP-based container or pot. The invention is characterised in that it comprises: a) an outer polyolefin layer CE having a thickness Ee varying between 0.9.E and 0.6.E; and b) a sealing layer CS having a thickness Es varying between 0.1.E and 0.4.E, said sealing layer comprising at least 35 wt.- % of a polyolefin-based elastomer compound CEP with a modulus of less than 300 MPa and at most 65 wt.- % polyethylene. The invention is further characterised in that the aforementioned outer layer and sealing layer are layers of co-extruded layers, such that the multi-layered material is a co-extruded material.
Le matériau d'operculage ou opercule, destiné à l'operculage de récipients ou pots en polyoléfine, typiquement en PP, forme un matériau multicouche d'épaisseur E comprise entre 30µm et 140 µm, est destiné à obturer par thermoscellage un récipient ou pot typiquement à base de PP, et est caractérisé en qu'il comprend : a) une couche externe CE en polyoléfine, d'épaisseur Ee allant de 0,9.E à 0,6.E, b) une couche de scellage CS, d'épaisseur Es allant de 0,1.E à 0,4.E, ladite couche de scellage comprenant au moins 35 % en poids d'un composé élastomère à base de polyoléfine CEP de module inférieur à 300 MPa, et au plus 65 % en poids de polyéthylène, et est en outre caractérisé en ce que lesdites couches externe et de scellage sont des couches des couches co-extrudées, de manière à ce que ledit matériau multicouche soit un matériau co-extrudé.</description><subject>ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR</subject><subject>AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING</subject><subject>CHEMISTRY</subject><subject>COMPOSITIONS BASED THEREON</subject><subject>COMPOSITIONS OF MACROMOLECULAR COMPOUNDS</subject><subject>CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS</subject><subject>CONVEYING</subject><subject>HANDLING THIN OR FILAMENTARY MATERIAL</subject><subject>LAYERED PRODUCTS</subject><subject>LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM</subject><subject>METALLURGY</subject><subject>ORGANIC MACROMOLECULAR COMPOUNDS</subject><subject>PACKAGES</subject><subject>PACKAGING ELEMENTS</subject><subject>PACKING</subject><subject>PERFORMING OPERATIONS</subject><subject>SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR</subject><subject>SHAPING OR JOINING OF PLASTICS</subject><subject>STORING</subject><subject>THEIR PREPARATION OR CHEMICAL WORKING-UP</subject><subject>TRANSPORTING</subject><subject>WORKING OF PLASTICS</subject><subject>WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2004</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZLAJdnX08fRzV_B1DHEN8nT0UXD0c1EICHLVdQ4NUQjw94n093F18_TTdXIMdnVR8HX1dQpy9HNVAGkL5mFgTUvMKU7lhdLcDMpuriHOHrqpBfnxqcUFicmpeakl8eH-RgYGJgbmxpYWRo6GxsSpAgCRgypK</recordid><startdate>20040902</startdate><enddate>20040902</enddate><creator>ANDRE, JEAN-MARC</creator><creator>BARRANX, PATRICK</creator><scope>EVB</scope></search><sort><creationdate>20040902</creationdate><title>SEALING MATERIAL AND PRE-CUT POLYOLEFIN-BASED MEMBRANE SEALS</title><author>ANDRE, JEAN-MARC ; BARRANX, PATRICK</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_WO2004073982A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre</language><creationdate>2004</creationdate><topic>ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR</topic><topic>AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING</topic><topic>CHEMISTRY</topic><topic>COMPOSITIONS BASED THEREON</topic><topic>COMPOSITIONS OF MACROMOLECULAR COMPOUNDS</topic><topic>CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS</topic><topic>CONVEYING</topic><topic>HANDLING THIN OR FILAMENTARY MATERIAL</topic><topic>LAYERED PRODUCTS</topic><topic>LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM</topic><topic>METALLURGY</topic><topic>ORGANIC MACROMOLECULAR COMPOUNDS</topic><topic>PACKAGES</topic><topic>PACKAGING ELEMENTS</topic><topic>PACKING</topic><topic>PERFORMING OPERATIONS</topic><topic>SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR</topic><topic>SHAPING OR JOINING OF PLASTICS</topic><topic>STORING</topic><topic>THEIR PREPARATION OR CHEMICAL WORKING-UP</topic><topic>TRANSPORTING</topic><topic>WORKING OF PLASTICS</topic><topic>WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL</topic><toplevel>online_resources</toplevel><creatorcontrib>ANDRE, JEAN-MARC</creatorcontrib><creatorcontrib>BARRANX, PATRICK</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>ANDRE, JEAN-MARC</au><au>BARRANX, PATRICK</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>SEALING MATERIAL AND PRE-CUT POLYOLEFIN-BASED MEMBRANE SEALS</title><date>2004-09-02</date><risdate>2004</risdate><abstract>The invention relates to a sealing material or a membrane seal which is intended to be used to seal containers or pots made from polyolefin, typically PP, and which forms a multi-layered material having a thickness E of between 30ñm and 140 ñm. More specifically, the invention is intended for the heat sealing of a typically-PP-based container or pot. The invention is characterised in that it comprises: a) an outer polyolefin layer CE having a thickness Ee varying between 0.9.E and 0.6.E; and b) a sealing layer CS having a thickness Es varying between 0.1.E and 0.4.E, said sealing layer comprising at least 35 wt.- % of a polyolefin-based elastomer compound CEP with a modulus of less than 300 MPa and at most 65 wt.- % polyethylene. The invention is further characterised in that the aforementioned outer layer and sealing layer are layers of co-extruded layers, such that the multi-layered material is a co-extruded material.
Le matériau d'operculage ou opercule, destiné à l'operculage de récipients ou pots en polyoléfine, typiquement en PP, forme un matériau multicouche d'épaisseur E comprise entre 30µm et 140 µm, est destiné à obturer par thermoscellage un récipient ou pot typiquement à base de PP, et est caractérisé en qu'il comprend : a) une couche externe CE en polyoléfine, d'épaisseur Ee allant de 0,9.E à 0,6.E, b) une couche de scellage CS, d'épaisseur Es allant de 0,1.E à 0,4.E, ladite couche de scellage comprenant au moins 35 % en poids d'un composé élastomère à base de polyoléfine CEP de module inférieur à 300 MPa, et au plus 65 % en poids de polyéthylène, et est en outre caractérisé en ce que lesdites couches externe et de scellage sont des couches des couches co-extrudées, de manière à ce que ledit matériau multicouche soit un matériau co-extrudé.</abstract><edition>7</edition><oa>free_for_read</oa></addata></record> |
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| subjects | ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS CONVEYING HANDLING THIN OR FILAMENTARY MATERIAL LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PACKAGES PACKAGING ELEMENTS PACKING PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS STORING THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL |
| title | SEALING MATERIAL AND PRE-CUT POLYOLEFIN-BASED MEMBRANE SEALS |
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